Patents by Inventor Bruce Andrien, Jr.

Bruce Andrien, Jr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Multipole ion guide ion trap mass spectrometry with MS/MS analysis
    Patent number: 8610056
    Abstract: An apparatus includes an atmospheric pressure ion source; a first vacuum stage and a second vacuum stage separated from the first vacuum stage by a vacuum partition; a first ion guide positioned within a first vacuum stage and arranged to receive ions from the atmospheric pressure ion source; a second ion guide positioned within a second vacuum stage downstream of the first vacuum stage from the atmospheric pressure ion source, the second ion guide being a multipole ion guide arranged to receive ions from the first ion guide; and a time-of-flight mass analyzer that includes an orthogonal pulsing region arranged to receive ions from the second ion guide.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: December 17, 2013
    Assignee: PerkinElmer Health Sciences Inc.
    Inventors: Craig M. Whitehouse, Thomas Dresch, Bruce Andrien, Jr.